EC2 volume: how do I set it so that it WILL delete on termination?

amazon-web-services amazon-ec2 volume termination
Dan picture Dan · Nov 15, 2011 · Viewed 9.4k times · Source

I have an EC2 instance that I'd like to take a snapshot of, to use as an AMI for future spot instances. Because of the way I created volume for this instance, it is currently set to not delete upon termination.
I want it to delete on termination, so that I can use it for spot instances and not have residual volumes hanging around needing manual deletion.

I've combed AWS manual, stack exchange, google, etc and I can only find references to a 'delete on termination' flag, but no explanation of how to use it.

Answer

Doron picture Doron · Jul 5, 2014

Taking on what @akshar wrote, you can have it all in the same line, without the need for an additional json file:

 aws ec2 modify-instance-attribute --instance-id i-123abc45 --block-device-mappings "[{\"DeviceName\": \"/dev/sdf\",\"Ebs\":{\"DeleteOnTermination\":true}}]"

where /dev/sdf is the mount point in your instance

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